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Date:      Tue, 2 Nov 1999 02:28:03 -0500
From:      "Edirol" <edirol@anime.ca>
To:        <freebsd-questions@freebsd.org>
Subject:   ipfw fwd action problems
Message-ID:  <002601bf2503$cd96b980$0300a8c0@anime.ca>

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Hi there,

I'm trying to setup a relay box that will basically forward all requests to
port X on the relay box to port X on another machine on the net.  So say:

I telnet to 207.34.202.38:21 (relay box) everything would be passed on to
another machine, say 24.1.64.72:21. Of course when the 24.1.64.72:21 box
returns the packet to 207.34.202.68:21 that should also magically bounce
back to the ip who originally connected to 207.34.202.38:21.

If this is not possible the source ip (that originally connected to
207.34.202.38:21), could be fixed if that makes the firewall rules simpler.

I've been tinkering with the following command

ipfw add fwd otherbox,port tcp from any to relaybox X

I'm sure something is forwarding somewhere but there doesn't appear to be
traffic going both ways.

Can someone advise me whether I've done this completely wrong or suggest
another approach I should take?

Thanks,
- Will



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